KR102003252B1 - Portable Electric Fan - Google Patents

Abstract

The present invention relates to a portable electric fan which can be easily held by a user and can be easily carried, held and used by anyone of all ages.
A portable electric fan of the present invention includes a body having an opening formed at one end thereof and having a through hole formed therein from one end to the other end thereof, a motor portion accommodated in the through hole, one side connected to the motor shaft of the motor portion, A hinge portion having a hinge shaft and a wing portion having one side connected to each hinge shaft and rotating vertically.

Description

Portable Electric Fan

The present invention relates to a portable fan. More particularly, the present invention relates to a portable fan that can be easily carried by anyone of all ages, because the outer shape is formed small and can be easily grasped by a user.

As the hotter summer time gets longer, many people are looking for a lot of devices and places to get rid of the heat.

Currently, many devices have been developed to relieve the heat. For example, there have been many portable fans powered by various animal and cartoon character characters. The developed portable electric fan is a structure composed of a wind forming part formed at the upper end and a grip part formed at the lower end of the wind forming part.

In such a portable electric fan, the wind-formed portion is always located outside the grip portion, which poses a problem that it is difficult to carry around by carrying it in a pocket of a shirt and a diary or a book.

Furthermore, a plurality of blades formed in the wind-formed portion are always exposed to the outside, and a problem has arisen that the blades are broken from the outside or are easily contaminated with foreign substances.

In order to solve such a problem, a portable electric fan which can be easily put in a pocket of a shirt and a pants, and can be used as an electric fan by exposing the wing portion to the outside only when necessary, Development was required.

Korea Registered Utility Model No. 20-0243029 (Aug. 3, 2001)

Accordingly, it is an object of the present invention to provide a portable fan that can be easily carried and can be used as a laser pointer, an LED lantern, or the like, while being used as an electric fan, will be.

The technical problem of the present invention is not limited to the above-mentioned problems, and other technical problems which are not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a portable fan unit including a body having an opening formed at one end thereof and having a through hole formed therein from one end to the other end thereof, a motor unit housed in the through hole, A hinge portion having one side connected to the motor shaft of the motor portion and the other side having a hinge shaft and a wing portion having one side connected to each hinge shaft and rotating vertically.

A stylus pen, an LED lantern, a laser pointer, and a USB terminal may be selectively coupled to the lower end of the body.

The wing portion may include a wing connected to the hinge shaft and a cap installed at an upper end of the wing to close the opening portion.

When the wing portion is pivoted by the hinge axis so as to be parallel to the body, the stopper may be overlapped with the opening portion.

When the motor unit moves to the lowermost position, the wing portion is rotated from the hinge shaft by a pushing force transmitted from the body, inserted into the through hole, and the stopper can close the opening.

The body includes a first body having a battery connection portion and a motor portion movement guide groove formed therein; And

A second body rotatably coupled to the first body and having a spiral groove formed on an inner surface thereof and having the opening formed on an upper end thereof,

The motor unit includes a motor housing including at least one protrusion that penetrates through the motor unit moving guide groove and is coupled to the helical groove. And a motor fixed within the motor housing and supplied with power from the battery connection portion,

The motor unit movement guide groove is linearly formed along the longitudinal direction of the body, and includes at least one insertion groove bent inward at the upper end thereof. When the second body rotates downward, And then inserted into the insertion groove.

At least one of the first body and the second body may include a control unit electrically connected between the battery connection unit and the motor to turn on / off power supply to the motor.

The body,

A first body slidably coupled to the first body and slidably moved in one direction to expose the wing portion located in the first body to the outside, And a second body for allowing the wing portion to be inserted into the through hole of the first body when the wing portion is moved.

The body includes a USB terminal at one end, and the USB terminal is connected to a USB lever formed on one side of the body, and can be lowered when a force is applied to the USB lever in one direction.

According to the present invention, the user can easily grasp the body with one hand and can be used as a device such as a laser pointer, an LED lantern and a stylus pen, and the other end can be used as a fan. Particularly, according to the present invention, when not used as a fan, the present invention can store wings inside the body, minimize contamination of the wings, and can be seen as a device mechanism installed at one end.

And if you want to use it as an electric fan, you can use it as a fan by projecting the wing part by simple operation (body rotation or sliding).

In addition, according to the present invention, when the wing portion functioning as an electric fan is folded, the shape formed by gathering the plugs of each wing portion can cover the opening portion to prevent foreign matter from flowing into the body portion.

According to the present invention, since the stopper is vertically formed at the end portion of the wing portion when the wing portion functioning as an electric fan is extended and rotated, the stopper collects the wind caused by the wing rotation to the center portion without creeping to the side, The wind can be delivered effectively.

1 is an exploded perspective view of a portable electric fan according to an embodiment of the present invention.
2 is an exploded perspective view of the pen portable fan of Fig. 1;
Figs. 3, 4, and 5 are operation diagrams of a pen portable fan.
6 is a view illustrating an operation of a wing portion of a portable fan according to an embodiment of the present invention and a modification of the cap.
FIG. 7 is a diagram illustrating a modularly replaceable application module installed at the bottom of a portable fan according to an embodiment of the present invention. Referring to FIG.
8 is a view showing a USB portable terminal provided with a USB terminal.
9 is a perspective view and operation diagram of a portable electric fan according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and methods for achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It should be understood, however, that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art to which the present invention pertains. It can only be.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is an exploded perspective view of a portable electric fan according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the portable electric fan of FIG. 1.

1 and 2, the portable electric fan 1 according to the present invention includes various stylus pens 151-1, 151-2, 151-3, 151-3, 151-3, A laser pointer 151-2, an LED lantern 151-3, and the like, and can be used as an electric fan by using the wing part 140 installed at the other end, if necessary.

That is, the portable fan 1 according to the present invention can be used as two mechanisms. Particularly, the portable electric fan 1 according to the present invention is used as a fan by the wing part 140 installed at the other end, and stores the wing part 140 inside the body 100 when it is no longer used as an electric fan, It is possible to prevent the wing portion 140 from being broken from the outside or being easily contaminated with foreign matter or the like.

The portable electric fan 1 includes a body 100 having an opening 110 at an upper end thereof, a motor 120 installed inside the body, a hinge 130 connected to the rotation shaft 121 of the motor 120, And a wing portion 140 rotatably connected to the support portion 130.

In addition, the portable electric fan 1 according to the present invention is provided with a control unit 153 formed as a PCB board at the lower part of the body to control the operation of the wing unit 140, and a pen clip 161 And can be formed into a structure that can be easily inserted and stored in a clothes or a diary.

The body 100 may be formed in a cylindrical shape as shown in the drawing, or may be formed in a polygonal shape such as a hexagonal shape or an octagonal shape. That is, the body 100 may be formed in a pen shape or a lipstick shape, for example. However, in the present specification, the body 100 is formed as a pen-shaped cylinder for convenience of explanation.

An opening 110 is formed in one end of the body 100 and a through hole 111 communicating with the opening 110 from one end to the other end is formed. That is, the body 100 is formed with an internal structure capable of accommodating various components such as a motor 120, a hinge 130, and a wing 140 described later in the through hole 111. [

When the user holds the body 100, the body 100 may not easily slide on the hand. The first body 150 may have a friction protrusion formed on the outer surface thereof to increase the grip of the user.

In addition, a pen clip 161 is formed at the upper end of the body 100 to easily insert the body 100 into a diary, a book, or the like. The body 100 may be formed by a combination of the first body 150 and the second body 160. The first body 150 may be a lower body of the portable fan 1 and the second body 160 may be an upper body of the portable fan 1. [

A motor unit 120 including a battery 154 and a motor 122 and a motor housing 123 having a protrusion 1232 on the outside may be installed in the first body 150.

In addition, a battery connector (not shown) is formed in the first body 150 so that the power of the battery 154 can be applied to the motor 122. At this time, the battery 154 may be a DC voltage source, and the motor 122 may be a motor driven by a DC voltage.

4) for engaging with the protrusion 1232 is formed in the first body 150 and a control unit 153 for controlling the driving of the motor 122 A hinge portion 130, and a wing portion 140 may be installed.

A stylus pen 151-1 including a conductive material for applying a constant voltage signal to the touch screen, a laser pointer 151-2 (see FIG. 7) and a LED lantern 151 -3, see FIG. 7) can be selectively installed.

The hinge unit 130 includes a receiving part connected to the motor shaft 121 of the motor at one side and a plurality of hinge shafts 132 connected to the plurality of wing parts 140 at the other side. The hinge unit 130 is connected to the motor shaft 121 at one side thereof, and can rotate and unfold a plurality of wings 140 connected to the other side corresponding to the rotation of the motor.

The wing portion 140 is composed of a wing surface 141 provided on the hinge shaft 132 and a cap 142 provided on the upper surface of the wing surface. In this specification, two wings 140 are formed and coupled to a plurality of hinge shafts formed on the hinge 130, respectively. However, this is only one example, and the wing portion 140 may be formed of three, four, five, etc. and connected to the hinge portion 130.

When the wing surface 141 is rotated by the rotation of the motor 122, wind can be formed in one direction. The wing surface 141 is formed in a streamlined shape so that the wind can be easily guided in one direction.

The cap 142 is installed at the upper end of the wing surface. At this time, the stopper 142 may be installed perpendicular to the wing surface 141 to prevent the wind caused by the rotation of the wing surface from leaking to the side and to concentrate the wind in one direction.

The stopper 142 is formed at the upper end of the wing face so that the wing face 141 can be closed when the wing face 141 is folded about the hinge shaft 132. For example, the stopper 142 may be formed in a semicircular shape as shown in FIG.

The second body 160 is formed in a shape corresponding to the first body 150. The second body 160 has an opening hole formed at an upper end thereof to overlap with the opening 110 and has a through hole 111 formed therein, A portion of the body 150 can be accommodated. The second body 160 may be rotatably coupled to the first body 150.

A spiral groove or spiral groove 162 is formed on the inner surface of the second body 160 so as to be rotatable with respect to the first body 150. The helical groove 162 may be a groove formed in a helical shape so that the second body 160 can be rotated 270 degrees from the first body 150. In addition, a pen clip 161 may be formed on the outer surface of the second body 160.

3, 4 and 5 are operation diagrams of a portable fan 1 according to an embodiment of the present invention.

FIG. 3 is a view showing a state in which a wing portion is protruded from the body of FIG. 1, FIG. 4 is a sectional view of a state in which a wing portion is protruded through a second body- Fig. And FIG. 5 is a view showing a state in which the wing portion protrudes from the first body as the second body of the portable fan of FIG. 1 is rotated 270 degrees.

3, when the user rotates the second body 160 in one direction as shown in (a), the portable electric fan 1 according to the embodiment of the present invention can be configured as shown in (b) The hinge portion 130 and the wing portion 140 protrude from the opening portion 110 as well. At this time, the cap 142 of the wing portion 140 rotates the wing surface 141 at a predetermined angle in the gravity direction with its own weight. Thereafter, the wing portion 140 is rotated in a direction perpendicular to the body 100 as shown in (c) by the centrifugal force due to the rotation of the motor 122. The user can control the rotation of the motor 122 and the rotation of the motor 122 through the switch operation of the control unit 153 and the operation of the wing unit 140 by controlling the amount of rotation of the motor 122.

4 and 5, the motor unit 120 is slidable in the first body 150 according to one-directional rotation of the second body 160 and rotation of the second body 160 in the other direction.

4A is a view showing a structure in which the motor housing 123 and the motor 122 are fastened to the second body 160 and FIG. 4C shows a state in which the protrusion 1232 of the motor housing is inserted into the helical groove 162 of the second body 160 And Fig. Particularly, FIG. 4 (c) is a cross-sectional view of the first body 150 and the second body 160 in order that the protrusion 1232 of the motor housing is connected to the helical groove 162 of the second body 160, And the motor 122 is omitted.

4 (a) and 5 (a), the protrusion 1232 passing through the motor part movement guide groove 152 is engaged with the helical groove 162 formed in the inner surface of the second body 160 do. Here, the motor-side movement guide groove 152 is formed in a linear shape, and an insertion groove 1522 curved inward is formed at the upper end.

Accordingly, when the second body 160 is rotated downward (unidirectionally rotated) as shown in FIG. 4 (b), FIG. 4 (c) And can slide along the grooves 162 and within the motor part movement guide groove 152.

4 (c) or 5 (c), the protrusion 1232 slides in the motor-side movement guide groove 152 and is blocked at the upper end portion of the helical groove 162, The second body 160 is inserted and fixed in the insertion groove 1522 by the rotation of the second body 160. That is, the protrusion 1232 is fastened to the insertion groove 1522, and the motor unit 120 is slid upward to the upper end of the motor unit moving guide groove 152 and fixed to the upper end of the second body. When the second body 160 rotates upward (rotation in the other direction), the protrusion 1232 is deviated from the insertion groove 1522, and the motor unit 120 is slid downward and fixed at a predetermined position .

At this time, another second insertion groove may be formed at the lower end of the motor-moving guide groove 152. The protrusion 1232 is inserted into the second insertion groove by the rotation of the second body 160 and the protrusion 1232 is inserted into the second insertion groove when the protrusion 1232 slides and becomes clogged at the lower end portion of the helical groove 162, And is fixed to the lower end of the second body.

The wing surface 141 rotates from the hinge shaft 132 by the pushing force transmitted from the second body 160 and is naturally accommodated in the through hole 111. The stopper 142 can close the opening 110 have. In addition, since the protrusion 1232 is linearly moved along the motor-moving guide groove 152, the motor housing 123 can be prevented from shaking due to the rotation of the second body 160 and stable sliding movement can be performed.

5 (d), when the motor is driven in a state in which the wing portion 140 completely deviates from the opening 110 from the hinge portion 130, the wing portion 140 is automatically fully opened by the centrifugal force It can rotate.

In other words, when the second body 160 is rotated as a lipstick, the motor unit 120, the hinge unit 130 and the wing unit 140 slide through the motor housing 123 to move the wing unit 140 to the first And may be housed in the body 150 or protruded to the outside of the first body 150 to be used as a fan.

6 is a view illustrating an operation of a wing portion of a portable fan according to an embodiment of the present invention and a modification of the cap.

6 (a), the hinge part 130 has a receiving part formed at one side thereof to connect the motor shaft 121 of the motor, and a plurality of hinge shafts 132 are formed at the other side of the hinge part 130, Can be connected.

The wing portion 140 is composed of a wing surface 141 and a cap 142 provided on the upper end of the wing surface so that the wing portion 140 can be rotated 90 degrees about the hinge axis 132. That is, the wing portion 140 can be unfolded or tangled around the hinge shaft 132. [

The stopper 142 may be formed in a shape that can close the opening 110 to form a flat surface with the upper end surface of the second body 160 as well as a curved surface protruding from the second body 160 .

When the wing surfaces 141 are folded, the stoppers 142 of the wing surfaces 141 are gathered to coincide with the shape of the openings 110.

The cap 142 may be formed in various shapes as long as the wing surface 141 is wedged around the hinge shaft 132 so as to overlap with the opening 110 and to close the opening 110 have.

6 (b), each of the plugs 142 becomes a circular arc even when the wing portion 140 is composed of two, three, and four wings. Therefore, when each wing surface 141 is folded, the opening 110 can be completely closed by each stopper 142. [

FIG. 7 is a diagram illustrating a modularly replaceable application module installed at the bottom of a portable fan according to an embodiment of the present invention. Referring to FIG.

As shown in the drawing, the portable electric fan 1 according to the present invention includes various devices such as a stylus pen 151-1, a laser pointer 151-2, and an LED lantern 151-3, Lt; / RTI >

Accordingly, the portable fan 1 according to the present invention can be used as a stylus pen 151-1 in a smart phone, as a fan, as a laser pointer 151-2, and as a fan. And may be used as a portable LED lantern 151-3 and used as a fan. That is, the portable electric fan 1 of the present invention can be used as various device mechanisms, and can be used as an electric fan to enhance the utilization of the product.

The stylus pen 151-1, the laser pointer 151-2, and the LED lantern 151-3 are shown as the device mechanism provided at the lower end of the portable electric fan 1. However, the present invention is not limited thereto. It may be a variety of device mechanisms.

FIG. 8 is a diagram showing a USB portable terminal having a USB terminal. FIG.

In the portable electric fan 1 of the present invention, a USB terminal 151-4 may be installed at the lower end of the body of the portable electric fan.

The USB terminal 151-4 may protrude from one end of the first body 150 and may be connected to the auxiliary battery. The USB terminal 151-4 may be a current line so that the motor 122 can use the auxiliary battery as a power source. The USB terminal 151-4 may be protruded from the inside of the first body 150 or received from the outside of the first body 150 in response to the sliding operation of the USB lever 155. [

When a force is transmitted in one direction, the USB lever 155 slides downward and can slide the USB terminal 151-4 in one direction. When a force is transmitted in a direction opposite to one direction, And the USB terminal 151-4 can be slid upward.

Hereinafter, another embodiment of the portable fan of the present invention will be described with reference to FIG. The portable fan (1-1) of another embodiment is the same as the component of the portable fan (1) of the embodiment. However, in the portable electric fan 1-1 of the other embodiment, the motor unit 120 is fixed to the first body 150, and the second body 160 slides without sliding and moves the wing unit 140 to the outside The motor unit 120 of the portable fan unit 1 of the embodiment and the motor unit 120 of the embodiment can be constructed so as to protrude from the first body 150 to the outside of the wing unit 140, There is a slight difference from the operation carried out inside the first body 150.

Therefore, in order to simplify the description of the portable electric fan 1-1 according to another embodiment of the present invention, description of the same constituent elements will be omitted, and only differences will be described intensively.

9 is a perspective view and operation diagram of a portable electric fan according to another embodiment of the present invention.

The portable fan unit 1-1 includes a body 100-1 having a through hole 111 formed therein and housing the motor unit 120, the hinge unit 130 and the wing unit 140 in the through hole 111, .

The body 100-1 includes a first body 150-1 serving as a lower body of the portable fan 1-1 and a second body 160-1 serving as an upper body.

The motor unit 120, the hinge unit 130, and the wing unit 140 are fixedly installed so as not to slide on the first body 150-1. On the other hand, the second body 160-1 is slidably connected to the first body 150-1 and can slide along the longitudinal direction of the first body 150-1.

Accordingly, when the second body 160-1 slides in one direction and gradually receives the first body 150-1, the first body 150-1 is moved in the first body 150-1, The wing portion 140 and the hinge portion 130 accommodated in the hinge portion 150-1 are exposed to the outside. On the other hand, when the second body 160-1 slides in the other direction and the housing portion of the first body 150-1 accommodated therein is gradually reduced, the first body 150-1 The wing portion 140 and the hinge portion 130 are accommodated.

In other words, the second body 160-1 is slid in one direction to expose the wings 140 and the hinge 130 housed in the first body 150-1, The wing portion 140 and the hinge portion 130 can be housed in the first body 150-1.

At this time, the second body 160-1 slides in one direction, and a force is applied to the USB lever 155 to expose the USB terminal 151-4 to the outside.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. It is therefore to be understood that the embodiments described above are in all respects illustrative and not restrictive.

1: Portable fan
100: Body
110: opening 111: through hole
120: motor unit 121: motor shaft
122: motor 123: motor housing
130: hinge part 132: hinge shaft
140: wing portion 141: wing face
142: plug 150: first body
151-1: Stylus pen 151-2: Laser pointer
151-3: LED lantern 152: motor part moving guide groove
153: control unit 154: battery
155: USB lever 160: Second body
161: pen clip 162: spiral groove
1232: projection 1522: insertion groove

Claims (9)

A body having an opening formed at one end thereof and having a through hole formed therein from the one end to the other end;
A motor portion accommodated in the through hole;
A hinge portion accommodated in the through hole, one side connected to a motor shaft of the motor portion, and a hinge shaft formed on the other side; And
And a wing portion having one side connected to each of the hinge shafts and vertically rotating,

Wherein the wing portion includes a wing surface connected to the hinge shaft and a cap provided at an upper end of the wing surface,
Wherein when the wings are pivoted parallel to the body by the hinge axis, each of the plugs forms an arc so that the plug overlaps with the opening to close the opening,
The wing surface has a streamlined shape so that wind can be formed in one direction when rotated by the rotation of the motor,
A cap provided at an upper end of the wing face and closing the opening when the wing face is folded about the hinge axis is configured to concentrate the wind in one direction by preventing the wind caused by rotation of the wing face from leaking to the side,
When the wing portion is protruded from the opening of the body, the wing portion is rotated in the gravity direction at a predetermined angle by its own weight, and then the wing portion is rotated in the direction perpendicular to the body by the centrifugal force in accordance with the rotation of the motor Portable fan. delete delete delete The method according to claim 1,
Wherein the wing portion is pivotally moved on the hinge shaft by a pushing force transmitted from the body when the motor unit moves to the lowermost position and inserted into the through hole and the stopper closes the opening portion. The method according to claim 1,
The body includes a first body having a battery connection portion and a motor portion movement guide groove formed therein; And
A second body rotatably coupled to the first body and having a spiral groove formed on an inner surface thereof and having the opening formed on an upper end thereof,
The motor unit includes a motor housing including at least one protrusion that penetrates through the motor unit moving guide groove and is coupled to the helical groove. And a motor fixed within the motor housing and supplied with power from the battery connection portion,
The motor unit movement guide groove is linearly formed along the longitudinal direction of the body, and includes at least one insertion groove bent inward at the upper end thereof. When the second body rotates downward, And then inserted into the insertion groove. The method according to claim 6,
Wherein at least one of the first body and the second body is electrically connected between the battery connection portion and the motor to turn on / off power supply to the motor. The method according to claim 1,
The body,
A first body slidably coupled to the first body and slidably moved in one direction to expose the wing portion located in the first body to the outside, And a second body for allowing the wings to be inserted into the through holes of the first body when the wings are moved. The method according to claim 1,
Wherein the body includes a USB terminal at one end thereof, and the USB terminal is operatively connected to a USB lever formed on one side of the body, wherein the USB fan can be lowered when a force is applied to the USB lever in one direction.

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